Could someone please explain on how the value of standard electrode potential affects the ability of metal ions to form a ligand complex with water?

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    $\begingroup$ I would say that it is rather the opposite: the formation of complex (whatever it is) involves a modification of the potential $\endgroup$ – Nicolas Feb 23 at 8:26
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    $\begingroup$ Unless the standard redox potential is high/low enough for the metal ion to be spontaneously reduced or oxidized, it does not. If the metal ions oxidize reducing ligands, the respective complex is generally not formed. $\endgroup$ – Poutnik Feb 23 at 9:38