Expressing "will" with "hui"

会 (huì) has multiple uses, but in this context, it is being used to express the possibility of an action happening in the future.

明天你会来吗？ Míngtiān nǐ huì lái ma? Will you come tomorrow?
今晚我会去饭店吃饭。 Jīnwǎn wǒ huì qù fàndiàn chīfàn. Tonight I will go to the restaurant to eat.
他会考上大学。 Tā huì kǎoshàng dàxué. He will test into college.
明天会下雨。 Míngtiān huì xiàyǔ. It will rain tomorrow.
下班以后，我会给你打电话。 Xiàbān yǐhòu, wǒ huì gěi nǐ dǎ diànhuà. After getting off work, I will give you a call.
今年圣诞节，我会回家。 Jīnnián Shèngdànjié, wǒ huì huíjiā. This Christmas, I will return home.
今天晚上，我会和朋友一起吃饭。 Jīntiān wǎnshang, wǒ huì hé péngyou yīqǐ chīfàn. This evening, my friend and I will eat together.
下个月，我的妹妹会来上海。 Xià gè yuè, wǒ de mèimei huì lái Shànghǎi. Next month, My little sister will arrive in Shanghai.
他不会跟你结婚。 Tā bù huì gēn nǐ jiéhūn. He won't marry you.
我不会告诉你。 Wǒ bù huì gàosu nǐ. I won't tell you.

Sources and further reading