Explain why is the following not a redox reaction

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Why is the following not a redox reaction? Is it because it forms a solid? What are the charges for each? *I got this wrong in an exam just want to understand why.

Co(C2H3O2)2(aq) +2KOH(aq) ---> Co(OH)2 (s) + 2KC2H3O2 (aq)

Reference no: EM13488110

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