Final answer:
The correct verb form is 'saldrás'.
Step-by-step explanation:
The correct verb form in this sentence is saldrás. The subject of the question is 'tú', which is the second person singular pronoun. Therefore, the correct verb form to use with ''tú'' is 'saldrás', which means 'you will leave' in English.
For example, you can say: 'A qué hora saldrás tú mañana?' which means 'What time will you leave tomorrow?'
Learn more about Verb conjugation in Spanish