Can gemini and libra be compatible lovers?

would a long term relationship be a problem for them?
could they take each other seriously?

a big YES

yes

yes very much because they are both air signs.

Gemini & Libra
When Air meets Air, love is a breeze. This refreshing, carefree duo sparkles with optimism. Gemini's sociability reinforces Libran elegance. In the outer world, they are graceful and entertaining dancing partners, complementing and understanding each other perfectly. They love communication, outings, travel, surprises. Libra appreciates the conjugal bond, but is delicate enough to let Gemini decide for him or herself. In any case, their daily life together is such a joy they are inseparable...

Gemini and a Libra together can make for a great love match.
Communication will be one of the best aspects in this relationship. Usually they can talk to each other about
anything and everything for hours on end and never get bored.
Gemini often finds the Libra fascinating as they love to watch them interact with others and admire their social skills and intellectual wit. This combination also tends to make great friends and business associates between them.
This relationship has the potential to be more addictive than a Brad Pitt movie.