iPhone 14 won’t charge after brief contact with water

Read about splash, water, and dust resistance of iPhone 7 and later in this support article --> About splash, water, and dust resistance of iPhone 7 and later - Apple Support

If you see a liquid-detection alert on your iPhone, read this support article for what to do --> If you see a liquid-detection alert on your iPhone - Apple Support

Set a fan to blow across the phone for a few hours, do not use rice.

If it still doesn't charge, make an appointment at the Genius Bar to have it diagnosed.

Genius Bar Reservation and Apple Support Options - Apple