﴿ وَأَوْحَيْنَآ إِلَىٰٓ أُمِّ مُوسَىٰٓ أَنْ أَرْضِعِيهِ ۖ فَإِذَا خِفْتِ عَلَيْهِ فَأَلْقِيهِ فِى ٱلْيَمِّ وَلَا تَخَافِى وَلَا تَحْزَنِىٓ ۖ إِنَّا رَآدُّوهُ إِلَيْكِ وَجَاعِلُوهُ مِنَ ٱلْمُرْسَلِينَ ﴾

“And so, [when he was born,] We inspired [thus] the mother of Moses: Suckle him [for a time], and then, when thou hast cause to fear for him, cast him into the river, and have no fear and do not grieve - for We shall restore him to thee, and shall make him one of Our message-bearers!””

Please check ayah 28:9 for complete tafsir.