Well, the first few verbs that come to mind are provare, assaggiare, tentare and sperimentare. You can conjugate the verb once you know exactly which one you need. The big question is, *what* do you you try? That will tell you the exact verb you need. Context is very important.

I try to answer your question. Provo a rispondere alla tua domanda. I try to do my best. Cerco di fare del mio meglio. (cercare = to seek)

Io provo a......

Io Provo

Give us a full sentence for context.