in this reaction :

CuCl2 + Na2O2 --> Cu2O/CuO + 2NaCl + xO2

well my question is i need to find out how many grams i need to fully react CuCl2 with Na2O2

iam given 2.00g of CuCl and thats it, and i need to find how many grams would it take of Na2O2 to fully react with CuCl2

iam just stuck on this question, it feels like iam not given enough information

any help is welcome