Dear Negi,

Initially add methanol and base to covert PMHS complex into methyl ether followed by addition of water to get siloxane which is a solid gel, filter the gel evaporate to get compound.

Thanks kanchapur, did u get this method in some paper. If yes, could you plz send me the link

If reduction proceed in presence of fluoride, separation from water phase is easy. You can try to add potassium fluoride before work-up : http://pubs.acs.org/doi/suppl/10.1021/ol060463v/suppl_file/ol060463vsi20060324_055045.pdf

See also:

http://www.organic-chemistry.org/chemicals/reductions/polymethylhydrosiloxane-pmhs.shtm