# Why can't a double displacement reaction be a redox reaction? [closed]

Why can't a double displacement reaction be a redox reaction?

## closed as off-topic by Todd Minehardt, ringo, ron, Klaus-Dieter Warzecha, paracetamolJan 24 '17 at 5:20

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$\ce{NaH + H_2O->NaOH + H_2}$