These are the signs where each planet likes best to least.

Home (At home) – Leo
Detriment (Not comfortable) – Aquarius
Exaltation (Comfortable) – Aries
Fall (Weakened/Debilitated) – Libra

Moon:

Home (At home) – Cancer
Detriment (Not comfortable) – Capricorn
Exaltation (Comfortable) – Taurus
Fall (Weakened/Debilitated) – Scorpio

Mercury:

Home (At home) – Gemini & Virgo
Detriment (Not comfortable) – Sagittarius & Pisces
Exaltation (Comfortable) – Virgo
Fall (Weakened/Debilitated) – Pisces

Venus:

Home (At home) – Taurus & Libra
Detriment (Not comfortable) – Scorpio & Aries
Exaltation (Comfortable) – Pisces
Fall (Weakened/Debilitated) – Virgo

Mars:

Home (At home) -Aries
Detriment (Not comfortable) – Libra
Exaltation (Comfortable) – Capricorn
Fall (Weakened/Debilitated) – Cancer

Jupiter:

Home (At home) – Sagittarius
Detriment (Not comfortable) – Gemini
Exaltation (Comfortable) – Cancer
Fall (Weakened/Debilitated) – Capricorn

Saturn:

Home (At home) – Capricorn
Detriment (Not comfortable) – Cancer
Exaltation (Comfortable) – Libra
Fall (Weakened/Debilitated) – Aries

Uranus:

Home (At home) – Aquarius
Detriment (Not comfortable) – Leo
Exaltation (Comfortable) – Scorpio
Fall (Weakened/Debilitated) – Taurus

Neptune:

Home (At home) – Pisces
Detriment (Not comfortable) – Virgo
Exaltation (Comfortable) – Aquarius
Fall (Weakened/Debilitated) – Libra

Pluto:

Home Sign (At home) – Scorpio
Detriment (Not comfortable) – Taurus
Exaltation (Comfortable) – Leo
Fall (Weakened/Debilitated) – Aquarius