Question

as soon as i(hear)the noise, i immediately(go)there.

Answer 1

past tense
As soon as I heard the noise,I immediately went there

Answer 2

Since the question is not clear as to what is the requirement of the answer is, I am giving a generally assumed answer. As the words marked in the question seem to have different forms of speech at different tenses, I am giving the answer accordingly.

Past Tense - As soon as I heard the noise, I immediately went there.

Future Tense - As soon as I hear the noise, I will immediately go there.