This combination of Libra with Capricorn cannot easily combine as there should be some common purpose or destiny to form long term association. Capricorns are not demonstrative and do not openly indicate warmth of love and affection which Libra needs. Libra enjoys ease, luxury and self-indulgence.
Capricorn takes life seriously, shoulders responsibility and can cope with austerity much better than Libra.

Capricorn-Libra Compatibility

Capricorn should remember that sharing love, affection and beautiful things is as vital to Libra as food and water. These two will support each other through thick and thin and the longer their liaison lasts, the better it will become. And because they're both cardinal creatures , they'll understand each other's ambitions. The Libran expects the Capricorn to leap on to a bend knee every now and then.The Capricorn's love may be there under the surface, but it might not be tender enough for the delicate digestion of the Libran lover.

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.

Capricorn Man

Capricorn Man Compatibility

Capricorn Man and
Libra Woman

Capricorn Woman

Capricorn Woman Compatibility

Capricorn Woman and
Libra Man