Cu2+ is more stable than Cu+.Stability depends on the hydration energy (enthalpy) of the ions when they bond to the water molecules. The Cu2+ ion has
(Click on this link to know the detailed answer)
(Get CBSE Board Textbook Solutions for all subjects from Class 9 to 12. You can also get the CBSE Board's previous year's solved papers from here! You can get online resources for Book Store, Test Series, Prepare Assignment and Previous Year Solved Papers for free! This is an organization related to the education sector. That's why you should not waste your precious time and join Zigya, where many other study materials related to education are available for free.)
(You can also prepare for SSC. You can also take the SSC Exam, and find the SSC Resource Centre! You can get online resources for NEET, NEET Previous Year Solved Papers, and JEE, JEE Previous Year Solved Papers for free!)