This combination has a great difference in outlook and nature. Pisces is imaginative, dreamy and sensitive and lives by feelings, emotions, impression and intuition. Gemini is logical, factual and mentally oriented. However, both signs are reasonably adaptable and tolerant of other people's ideas, so although they will very seldom understand each other's driving force, they usually will accept it.
Gemini is practical, quick and efficient whereas Pisces often dithers or is irritatingly indecisive.There's a lot of pain for this pair if they don't try to swim in the same style.

Pisces-Gemini Compatibility

They'll need more than a coastguard to rescue them if the fish is floating along, lapped by the waves and reveling in a watery reverie. Although these two feel a fatal fascination for each other, they find it difficult to communicate.They can't even watch television together. The fish will be hidden behind a whole handful of hankies while watching a weepy soap, but the twin will be listening to music on headphones while reading a book.

Aries (Mar 21-Apr 19) Taurus (April 20 - May 20) Gemini (May 21 - Jun 21)
Cancer(June 22 - July 22) Leo (July 23 - Aug 22) Virgo (Aug 23 - Sept 22)
Libra (Sep 23 - Oct 22) Scorpio (Oct 23 - Nov 21) Sagittarius(Nov 22-Dec 21)
Capricorn (Dec 22 - Jan 19) Aquarius (Jan 20 - Feb 18) Pisces (Feb 19 - Mar 20)

In general the above Generic compatibility analysis hold good for all zodiac signs. If you are looking for in-depth compatibility analysis or if you are a professional astrologer the below analysis of Zodiac signs Compatibility - between different gender of zodiac signs will give you detailed answer. Click the below link to learn more.

Pisces Man

Pisces Man Compatibility

Pisces Man and Gemini Woman

Pisces Woman

Pisces Woman Compatibility

Pisces Woman and Gemini Man