It's an ionic bond! Potassium is a cation, or a metal with a positive charge, and fluoride is an anion, or a nonmetal with a negative charge.
A covalent bond is the bond between two nonmetals.
Hope this helped!
Answer:
Ionic bond.
Explanation:
Ionic bond occurs with metals and non metals
Potassium K is a metal, Fluorine is a non metal.