Which of the following criteria hold good for a cation to show complete hydrolysis?

A
cation is stronger acid than $H_{3} O^{+}$ and its conjugate base is also stronger than $H_{2} O$
B
cation is stronger acid than $H_{3} O^{+}$ and its conjugate base is weaker than $H_{2} O$
C
cation is weaker acid than $H_{3} O^{+}$ and its conjugate base is stronger than $H_{2} O$
D
cation is weaker acid than $H_{3} O^{+}$ and its conjugate base is also weaker than $H_{2} O$

The complete hydrolysis requires that

only then the reaction proceeds completely to right direction.

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