contestada

Determine the reducing agent in the following reaction.
2 K(s) + Cu(C₂H₃O₂)₂ (aq) → 2KC₂H₃O₂(aq) + Cu(s)
A. Cu
B. O
C. KC₂H₃O₂
D. K
E. Cu(C₂H₃O₂)₂