Answer:
Copper(2+) is an ion of copper carrying a double positive charge. It has a role as a cofactor. It is a divalent metal cation, a copper cation and a monoatomic dication. Oxidation means loss of electron and reduction means gain of electron. In this case Cu donates 2 electrons to form Cu^2+ ion,therefore,its an oxidation process.
Step-by-step explanation: