For the galvanic cell,  $Cu\left|C{u}^{2+}\right|\left|A{g}^{+}\right|Ag.$

Which of the following observations is not correct?

Copper is more reactive than silver

Cu acts as anode and Ag acts as cathode

Reaction at anode,$Cu\to C{u}^{2+}+2e^{-}$

Ag electrode loses mass and Cu electrode gains mass.