Hello Sunil Dhaduk,
Some information like Moisture Sensitivity Level (MSL) can be found on the part details section of the website. For example, for part MCIMX6Y0CVM05AA on the link below:
https://www.nxp.com/part/MCIMX6Y0CVM05AA
The peak temperatures and reflow cycles are also listed on this page. As for the reflow guidelines we follow JEDEC standards, please refer to the following Application Notes for more details:
http://www.nxp.com/assets/documents/data/en/application-notes/AN5246.pdf
http://www.nxp.com/assets/documents/data/en/application-notes/AN5247.pdf
I hope this information helps!
Regards,
