Potassium Metal (K)reacts Violently When Added to Water According to the Balanced

Potassium metal (K) reacts violently when added to water according to the balanced equation: 2 K(s) + 2 H₂O(l) → 2 KOH(aq) + H₂(g) . How many moles of H₂O are needed to react completely with 7.54 mol of K?

A) 2 mol of H₂O
B) 7.54 mol of H₂O
C) 15.1 mol of H₂O
D) 3.77 mol of H₂O