To ask what's your Horoscope in Spanish you must say: Cual es tu Horóscopo?

The translation of the signs of the Zodiac are is very similar, however there some differences in some of them.
-Aries: Aries
-Taurus: Táuro
-Gemini: Géminis
-Cancer: Cáncer
-Leo: Leo
-Virgo: Virgo
-Libra: Libra
-Scorpio: Escorpio
-Sagittarius: Sagitario
-Capricorn: Capricornio
-Aquarius: Acuario
-Pisces: Piscis