Although Libra is affectionate and Pisces of a different nature, yet there can be an affinity because both appreciate beauty, entertainment, arts, harmony, love, affection, gentleness and the magic of romance. Libra will help Pisces in moments of confusion, indecision and to be impartial. Both signs prefer to shut their eyes to anything awful and when reality becomes too ugly or unpleasant, they block it out.
One thing's for sure-if they live together, their abode will abound with objects.
Pisces-Libra Compatibility

Because they belong to the water element, friendly fish can be clingy. Libra-Pisces CompatibilityLibrans will love that, but in the aftermath of amour, they like to be left alone.They'll have a quick cuddle with their partner in passion, but after that they like to lie on their backs and fall fast asleep. If the fish turns on the tears, their libran can feel hemmed in and shackled by sex and that's the last thing this lot like. But if this couple can come to a compromise, they'll be a terrifically tender twosome.

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 Libra Woman

Pisces Woman

Pisces Woman Compatibility

Pisces Woman and Libra Man