Enough/too.....for:
We say enough/too.... for somebody or something.
Examples:
We haven't got enough money for a holiday.
This shirt is too big for me.
Enough/too....to:
We say enough/too... to do something. If that something is a pronoun, we don't use the pronoun.
Examples:
We haven't got enough money to go on holiday.
They are too young to get married.
This chair isn't strong enough to stand on (no 'it'!).