*Too goes before an adjective or adverb,But enough goes after an adjective or adverb:
*Too is used to mean more than sufficient or more /less than necessary.
*enough is used in negative sentences to mean less than sufficient or less than necessary.
EX:Tom's sweater is not big enough.(It means that it doesn't fit me.It is smaller.)
EX:Kevin's sweater is too big.
EX:He drives too quickly.
EX:He doesn't drive slowly enough.
*Enough is used in affirmative to mean sufficient:
EX:Your jacket is big enough.
*Too many,too much and enough go before a noun:
EX:I bought too many apples.
EX:I drank too much water.
EX:You didn't put enough sugar.
EX:You didn't eat enough bananas.
*Note that too many is followed by a countable noun, too much is followed by an uncountable noun,and enough is followed by both.
*We can use a prepositional phrase after enough or too:
EX:Your clothes aren't warm enough for winter.
EX:The exam is too difficult for children.
EX:It's too cold to go out.
EX:I didn't bring enough money to buy two CDs.