Answer
Potassium Methoxide, $KOCH_{3}$ has 1 ionic and 4 covalent bonds.
Work Step by Step
In potassium methoxide, $K^{+} $$ ^{-}OCH_{3}$ has one ionic bond between potassium and methoxide ion. The Methoxide ion on the other hand has 4 covalent bonds ( 3 C - H covalent bonds and one C - O bonds ).