STUCK :
- Stuck is when you cant move/move on from anywhere,
- Stuck is like "stuck in something".
- Stuck = caught or fixed or baffled
Eg : "His Car was STUCK in the mud"
STRUCK :
Struck is something that happpens suddenly.
Struck = affected by something overwhelming
Eg : Struck is being hit by something "struck by lightening", "struck by a car", etc.
- "He was STRUCK by lightening"