Astrology Insight's Scorpio Love Horoscopes and Compatibility section.

SCORPIO goes with Taurus, Cancer, Virgo and Capricorn. (Best match is Capricorn)

Best Match For Scorpio Is Capricorn
These two can not only understand one another extremely well, but can actually match sensitivities and emotions, almost (if not actually) on a psychic level. A very long lasting relationship, these two seldom ever break up.

Worst Match For Scorpio is Aries
The somewhat possessive Scorpio will never go for the love them and leave them attitude that Aries sometimes seems to exhibit. It's not that Aries are immoral, it is just that they give this impression too often to get along for great periods with the Scorpio. Also, the "depth" of Scorpio is somewhat foreign to Aries.